A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.
NSN 6150-01-149-6629
NSN 6130-01-170-5085
NSN 6685-00-627-6102
NSN 5999-01-079-1202
NSN 5910-00-564-2473
NSN 5925-01-524-8058
NSN 6610-01-569-9086
NSN 5910-00-307-7748
NSN 5925-01-048-2643
NSN 6610-01-088-2352
NSN 5935-00-233-5430
NSN 6145-01-310-8597